Answer: damper

AnswerCrossword Clue
DAMPERFurnace part
damperto discourage
dampermoisture
dampermoist
dampercontrol for air or smoke currents, as in a fireplace
damperto deaden
dampera kind of unleavened bread
damperdiscouraging influence
damperto moisten
DAMPERPiano pedal
DAMPERCertain piano pedal
DAMPERButterfly valve, e.g.
DAMPERMute for a horn
DAMPERPiano part
DAMPERValve in a furnace flue.
DAMPERStove valve.
DAMPERDraft control.
DAMPERPiano or furnace part.
DAMPERPlate in a furnace that regulates the draft
DAMPERPiano piece
DAMPER"Well, that certainly puts a ... on things"
DAMPERPiano string vibration control
DAMPERFurnace control
DAMPEROne of the piano pedals
DAMPERWet blanket